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  • I can't get click and drag to work with my Wacom Bamboo P&T

    - by Magnus Hoff
    I get my Wacom Bamboo Pen & Touch apparently working (By using Martin Owens' PPA), but whenever I try to click and drag something -- for example to move a window -- it will only register as a click. In other words: The "button up" event is generated right after the "button down" event no matter how long I hold it in. This is the same whether I use the tip of the pen, the buttons on the pen or the buttons on the pad. However: Clicking and dragging works perfectly in the login-screen, both before logging in for the first time and after logging out.

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  • Upgrade Workshop in Melbourne - Recap

    - by Mike Dietrich
    Thanks to everybody who did attend at our Upgrade and Migration Workshop in Melbourne last Friday. First of all it was a Friday so we really appreciated your patience of staying until the very end And then, yes we know, it was a full room. And we'd really like to thank you It was a great day for Roy and me. And you were such a great crowd with many questions and excellent discussions during the breaks. Please have all successful upgrade and migrations. And feel free to get in touch directly with Roy and me if you have additional questions or if you'd like to become a reference. Please feel free to download the slides from the Slides Download section to your right - or simply use that link here. Ah, and sorry that neither Mark Webber nor Sebastian Vettel did win ... next time -Mike

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  • Download Flickr Official Windows Phone 7 App

    - by Gopinath
    Microsoft’s Windows Phone 7 OS is picking up in the recent days with the release of useful applications. Yahoo released an official Flickr application for Windows Phone 7 that is optimized to play nice with unique Windows Phone 7 user interface. Here is the demo of the application in action Features of Flickr App for Windows Phone 7 Browse your Flickr photos in stunning high resolution display and touch navigation controls Share photos with friends and family via email, Twitter, Facebook and more Upload your latest images on the go with the in-app uploader Seamlessly transition from your Windows Phone 7 to Windows 7 tablet and back again, without ever losing your place Download Flickr App For Windows Phone 7 This article titled,Download Flickr Official Windows Phone 7 App, was originally published at Tech Dreams. Grab our rss feed or fan us on Facebook to get updates from us.

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  • The History Of Operating Systems [Infographic]

    - by ETC
    Earlier this week we shared a history of operating system names with you. This infographic complements that with a timeline of quotes and facts from the annals of computer history. Hit up the link below to check out the full infographic. The History Of Operating Systems [MakeUseOf] Latest Features How-To Geek ETC Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions How to Enable User-Specific Wireless Networks in Windows 7 The History Of Operating Systems [Infographic] DriveSafe.ly Reads Your Text Messages Aloud The Likability of Angry Birds [Infographic] Dim an Overly Bright Alarm Clock with a Binder Divider Preliminary List of Keyboard Shortcuts for Unity Now Available Bring a Touch of the Wild West to Your Desktop with the Rango Theme for Windows 7

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  • In-app paymnt methods

    - by user212228
    I'm interested in developing for Ubuntu (mostly phones) and I can't seem to find the guidelines on app publishing, will apps only work through the ubuntu software center, or can users download and install an app from a website like is possible with an android apk? Also, are there any rules regarding in-app purchase methods, (I hope the minimum price here isn't $2.99 in-app as well or I'm not going to even bother developing for Ubuntu and will just stick with Android) Google for example, requires that in-app purchases go through their servers so that it isn't possible to use other funding methods at least for play store published apps. My main questions here are: Would it be possible to release an app for ubuntu touch that accepted bitcoin, paypal, or other methods for in-app purchases? If not, would it be possible to release apps through a personal website or 3rd party app market that could use alternative payment methods?

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  • The SmartAssembly Rearchitecture

    - by Simon Cooper
    You may have noticed that not a lot has happened to SmartAssembly in the past few months. However, the team has been very busy behind the scenes working on an entirely new version of SmartAssembly. SmartAssembly 6.5 Over the past few releases of SmartAssembly, the team had come to the realisation that the current 'architecture' - grown organically, way before RedGate bought it, from a simple name obfuscator over the years into a full-featured obfuscator and assembly instrumentation tool - was simply not up to the task. Not for what we wanted to do with it at the time, and not what we have planned for the future. Not only was it not up to what we wanted it to do, but it was severely limiting our development capabilities; long-standing bugs in the root architecture that couldn't be fixed, some rather...interesting...design decisions, and convoluted logic that increased the complexity of any bugfix or new feature tenfold. So, we set out to fix this. Earlier this year, a new engine was written on which SmartAssembly would be based. Over the following few months, each feature was ported over to the new engine and extensively tested by our existing unit and integration tests. The engine was linked into the existing UI (no easy task, due to the tight coupling between the UI and old engine), and existing RedGate products were tested on the new SmartAssembly to ensure the new engine acted in the same way. The result is SmartAssembly 6.5. The risks of a rearchitecture Are there risks to rearchitecting a product like SmartAssembly? Of course. There was a lot of undocumented behaviour in the old engine, and as part of the rearchitecture we had to find this behaviour, define it, and document it. In the process we found some behaviour of the old engine that simply did not make sense; hence the changes in pruning & obfuscation behaviour in the release notes. All the special edge cases we had to find, document, and re-implement. There was a chance that these special cases would not be found until near the end of the project, when everything is functionally complete and interacting together. By that stage, it would be hard to go back and change anything without a whole lot of extra work, delaying the release by months. We always knew this was a possibility; our initial estimate of the time required was '4 months, ± 4 months'. And that was including various mitigation strategies to reduce the likelihood of these issues being found right at the end. Fortunately, this worst-case did not happen. However, the rearchitecture did produce some benefits. As well as numerous bug fixes that we could not fix any other way, we've also added logging that lets you find out exactly why a particular field or property wasn't pruned or obfuscated. There's a new command line interface, we've tested it with WP7.1 and Silverlight 5, and we've added a new option to error reporting to improve the performance of instrumented apps by ~10%, at the cost of inaccurate line numbers in reports. So? What differences will I see? Largely none. SmartAssembly 6.5 produces the same output as SmartAssembly 6.2. The performance of 6.5 will be much faster for some users, and generally the same as 6.2 for the remaining. If you've encountered a bug with previous versions of SmartAssembly, I encourage you to try 6.5, as it has most likely been fixed in the rearchitecture. If you encounter a bug with 6.5, please do tell us; we'll be doing another release quite soon, so we'll aim to fix any issues caused by 6.5 in that release. Most importantly, the new architecture finally allows us to implement some Big Things with SmartAssembly we've been planning for many months; these will fundamentally change how you build, release and monitor your application. Stay tuned for further updates!

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  • Best memory allocation strategy for iOS ?

    - by Mr.Gando
    Hey guys, I'm debating myself about memory allocation on iOS. I write most of my code in C++ and I really like using ObjectPools, FreeLists, etc. In order to pre-allocate a lot of the stuff that I'll be constantly "alloc/dealloc" during the course of my game, ( like particles, game entities, etc ). Still on iOS, it's not like we are developing for a console like PSP, where I can know for fact that I'll get a fixed amount of memory. iOS , will issue "memory warnings" when the system needs memory. Does anyone have some suggestions about this ? Is it too serious since the new iPod touch/iPhone 4 are carrying more RAM ? or it's still a big concern ? Thanks!

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  • Ubuntu on AMD based Sony Vaio VPCY B15AG

    - by Gaurav
    Last week I bought a AMD E350 (AMD Fusion platform) based Sony VAIO (VPCYB15AG) having AMD Radeon HD 6310 graphics, I removed Windows that came along with and installed Ubuntu 10.10 (AMD64) using USB drive. During installation my touchpad was not working, I managed through keyboard, but after completing installation & restarting the machine still there was no touchpad support. Also there's no proper graphic card drivers. Even I tried connecting the USB mouse to it but the left key is not working and had to configure the mouse as left-hand to get the left click enabled. I tried searching for any possible solutions for these but found nothing helpful, is there any hope? What should I do to enable i) enable touch pad support ii) get higher resolution 1366x768, etc?

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  • Salaries in reverse engineering fields [closed]

    - by John
    I bumped into an old friend at a conference and he told me he was now a consultant doing reverse engineering. I don't have much knowledge of this particular area, but this person (that I can't manage to get in touch with now) just casually mentioned that he was earning big bucks. I was hoping someone at SO may know of the salary range that a skilled and experienced employee/freelancer may earn in this area? I can't find much information on the web - small area maybe? I dunno. Any help would be appreciated.

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  • help with synclient configuration on an ASUS touchpad

    - by yohbs
    I have recently installed Ubuntu 12.04 on my brand new ASUS K55V. The touchpad behaves weird - two finger tap is interpreted as right-click, click and drag is not working (a double click is needed) and so on. Two finger scrolling (horizontal & vertical) works great. I want the touch pad to behave the "normal" way (that is - like in my old laptop...). I read the synclient documentation and many of the questions posted here, and I can even make some stuff work. Unfortunately, I couldn't figure out how to make these work: Click and drag (that is - physically clicking the button and dragging a finger) Clicking in the right side of the button interpreted as right-click Clicking button with two fingers interpreted as middle-click. specs: The touchpad is equipped with a physical button that clicks. Here's the output of xinput list-props "ETPS/2 Elantech Touchpad" | grep Capabilities: Synaptics Capabilities (294): 1, 0, 1, 1, 1, 1, 1 Any help will be much appreciated.

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  • Versioning Strategy for Service Interfaces JAR

    - by Colin Morelli
    I'm building a service oriented architecture composed (mostly) of Java-based services, each of which is a Maven project (in an individual repository) with two submodules: common, and server. The common module contains the service's interfaces that clients can include in their project to make service calls. The server submodule contains the code that actually powers the service. I'm now trying to figure out an appropriate versioning strategy for the interfaces, such that each interface change results in a new common jar, but changes to the server (so long as they don't impact the contract of the interfaces) receive the same common jar. I know this is pretty simple to do manually (simply increment the server version and don't touch the common one), but this project will be built and deployed by a CI server, and I'd like to come up with a strategy for automatically versioning these. The only thing I have been able to come up with so far is to have the CI server md5 the service interfaces.

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  • If I define a property to prototype appears in the constructor of object, why?

    - by Eduard Florinescu
    I took the example from this question modified a bit: What is the point of the prototype method? function employee(name,jobtitle,born) { this.name=name; this.jobtitle=jobtitle; this.born=born; this.status="single" } employee.prototype.salary=10000000; var fred=new employee("Fred Flintstone","Caveman",1970); console.log(fred.salary); fred.salary=20000; console.log(fred.salary) And the output in console is this: What is the difference salary is in constructor but I still can access it with fred.salary, how can I see if is in constructor from code, status is still employee property how can I tell for example if name is the one of employee or has been touch by initialization? Why is salary in constructor, when name,jobtitle,born where "touched" by employee("Fred Flintstone","Caveman",1970); «constructor»?

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  • Return to the old C days.

    - by RPK
    Long back I used to program on C and than VB exploitation changed the career path. After VB came the .NET that proved to be a HoneyPot of Microsoft for old VB programmers and frustrated programmers of other hard to learn languages. The label on this HoneyPot was: "Getting things done." I now want to contribute to the Linux and other GNU projects. I feel whatever programming language you learn today, but if programming is your bread-and-butter, you must remain in touch with C. Many things have changed now. From the old Turbo-C for DOS to the present ...? Please advise me how to get back on the C track again. Reading again whole thing, chapter-by-chapter is not possible now, but I can learn by writing small utilities type of things, but sure GUI based. And yes, I hope, learning is going to be easy now with so many live forums and active community spots like StackOverflow etc.

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  • Touchpad too sensitive on Samsung Series 7

    - by Amit Prakash
    I just installed Ubuntu 12.04 on my SAMSUNG Series 7 NP700Z5B-S01UB. The touchpad worked out of the box and that has been awesome. But the touch pad's tap to click is too sensitive. It keeps selecting things as I'm just trying to move the pointer. I didn't have this problem with windows so this tells me that it can be configured to be less sensitive. Need help doing this. PS: I know turning off tap to click is an option but I don't want that. PPS: I see various sensitivity sliders in the config but they seem to be at the lowest and mostly around acceleration of pointer not for tap sensitivity.

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  • My Tech Ed North America Preview - Certification Edition

    - by Chris Gardner
    In my previous TechEd North America Preview, I addressed all the content I wanted to see at the show. This time, we shall turn our attention to the certifications I might try to pick up. If you have never been to TechEd North America before, one of the greatest things about the event is an on-site certification center. If you have a couple hours to spare, you can walk up to a test. The first test on my agenda is 70-5231. I took this update test once, but did not do well on the MVC portion2. A few practice tests later, and I think I'm ready to fake that section. After that, I need to complete my road to being a master. The good folks here at work have been having a real love / hate relationship with the idea of me become an MCM in SQL Server3. Of course, before I do that, I need to finally take the SQL Administration tests. Thus, we shall add 70-4324 and 70-4505 to the list. Speaking of MCM, TechEd North America will have a special on test 88-9706. This test is normally $500, and you have to find a place to take it7. However, there is a special 50% off rate for people who take it on location. With those kind of prices, I may just take it as a form of study guide. As a final push, I may take some Windows Phone exams. I mentioned in my previous post that I may attend the 70-5998 Exam Cram session. Unfortunately, I will be staffing the Hands-On-Lab at that time. As we know, this has never stopped me from taking a test. This may lead to fits of 70-5069, but after we've come this far... That should complete my list. Do I really think I'll find time to take 6 tests at TechEd North America? Probably not. I have done it at TechEd North America before, but that was before I was TechEd North America staff. I also had a co-worker pass 9 in one year, but he basically did nothing but travel to Orlando in 2007 to take tests. And what's the point of attending a HUGE conference if you don't network? Of course, networking will have to wait for Friday's post... 1 Upgrade: Transition Your MCPD .NET Framework 3.5 Web Developer Skills to MCPD .NET Framework 4 Web Developer 2Because I never have used, nor do I really think I ever will use, MVC... 3By that, I mean they love the idea, and they hate the price 4Microsoft SQL Server 2008, Implementation and Maintenance 5PRO: Designing, Optimizing and Maintaining a Database Administrative Solution Using Microsoft SQL Server 2008 6SQL Server 2008 Microsoft Certified Master: Knowledge Exam 7Which isn't nearly as expensive as the Lab Exam, nor as difficult to find a location. However, it is not offered at every testing facility. 8PRO: Designing and Developing Windows Phone Applications 9TS: Silverlight 4, Development

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  • Is it ok to replace optimized code with readable code?

    - by Coder
    Sometimes you run into a situation where you have to extend/improve an existing code. You see that the old code is very lean, but it's also difficult to extend, and takes time to read. Is it a good idea to replace it with modern code? Some time ago I liked the lean approach, but now, it seems to me that it's better to sacrifice a lot of optimizations in favor of higher abstractions, better interfaces and more readable, extendable code. The compilers seem to be getting better as well, so things like struct abc = {} are silently turned into memsets, shared_ptrs are pretty much producing the same code as raw pointer twiddling, templates are working super good because they produce super lean code, and so on. But still, sometimes you see stack based arrays and old C functions with some obscure logic, and usually they are not on the critical path. Is it good idea to change such code if you have to touch a small piece of it either way?

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  • Recovering domain name from a person I can't find

    - by Daniel Gruszczyk
    I have a problem with one domain and I have no idea how to go about it. I am volunteering for a small charity in Sheffield (UK), more specifically I am redoing their website. A while ago (few years) there was one guy who made that website for them, sorted out a free hosting with another charity, bought domain name etc. Since the domain name is registered in his name, and he disappeared and we have no way of finding/contacting him, we can't move it to different hosting or do virtually nothing about it. Somehow the domain is being renewed every year, we know which domain registration service provider it is registered with, we know the guys name, and that's about it. How would we go about re-registering that domain in the charity's name, instead of that guy, is that at all possible? If we happen to get in touch with him, what should we ask for? Thanks for your help.

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  • ArchBeat Link-o-Rama for 2012-06-26

    - by Bob Rhubart
    Software Architecture for High Availability in the Cloud | Brian Jimerson Brian Jimerson looks at the paradigm shifts from machine-based architectures to cloud-based architectures when designing fault tolerance, and how enterprise applications need to be engineered to ensure the highest level of availability in the cloud. SOA, Cloud & Service Technology Symposium 2012 London - Special Oracle Discount Registration is now open for one of the premier SOA, Cloud, and Service Technology events. Once again, the Oracle community is well-represented in the session schedule. And now you can save on registration with a special Oracle discount code. Progress 4GL and DB to Oracle and cloud | Tom Laszewski "Getting from client/server based 4GLs and databases where the 4GL is tightly linked to the database to Oracle and the cloud is not easy," says cloud migration expert Tom Laszewski. "The least risky and expensive option...is to use the Progress OpenEdge DataServer for Oracle." Embrace 'big data' now or fall behind the competition, analyst warns | TechTarget TechTarget's Mark Brunelli's story says, in essence, that Big Data is not your fathers Business Intelligence. Calculating the Size (in Bytes and MB) of a Oracle Coherence Cache | Ricardo Ferreira Ferreira illustrates a programmatic way to use the Oracle Coherence API to calculate the total size of a specific cache that resides in the data grid. WebCenter Portal Tutorial Part 7: Integrating Discussions and Link service | Yannick Ongena The latest chapter in Oracle ACE Yannick Ongena's ongoing series. How to Setup JDeveloper workspace for ADF Fusion Applications to run Business Component Tester? | Jack Desai Helpful technical tips from yet another member of the Oracle Fusion Middleware Architecture Team. Big Data for the Enterprise; Software Architecture for High Availability in the Cloud; Why Cloud Computing is a Paradigm Shift - And Why It Isn't This week on the OTN Solution Architect Homepage, along with an updated events list and this weeks list of selected community blog posts. Worst Practices for Big Data | Dain Hansen Dain Hansen shares some insight on what NOT to do if you want to captialize on Big Data. Free Virtual Developer Day - Oracle Fusion Development | Grant Ronald "The online conference will include seminars, hands-on lab and live chats with our technical staff including me!" says Grant Ronald. "And the best bit, it doesn't cost you a single penny. It's free and available right on your desktop." Penguin is Getting Ready for Oracle OpenWorld 2012 | Zeynep Koch Linux fan? Check out Zeynep Koch's post for a list of Linux-based sessions at Oracle OpenWorld 2012 in San Francisco. Amazon Web Services (AWS) Autoscaling | Frank Munz "Autoscaling on AWS can only be configured with lengthy commands from the command line but not from the web cased AWS console," says Frank Munz. "Getting all the parameters right can be tricky." He demonstrates one easy example in this video. Oracle Fusion Applications Design Patterns Now Available For Developers | Ultan O'Broin "These Oracle Fusion Applications UX Design Patterns, or blueprints, enable Oracle applications developers and system implementers everywhere to leverage professional usability insight," says O'Broin. How Much Data Is Created Every Minute? [INFOGRAPHIC] | Mashable Explaining what the "Big" in Big Data really means -- and it's more than a little mind-boggling. Thought for the Day "Real, though miniature, Turing Tests are happening all the time, every day, whenever a person puts up with stupid computer software." — Jaron Lanier Source: SoftwareQuotes.com

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  • How to disable touchpad while using trackpoint on a Thinkpad?

    - by January
    Thinkpads (e.g. X230 that I'm using) have both a trackpoint and a touchpad. The touchpad is disabled when typing. However, when I'm using the trackpoint, I often touch the touchpad as well, and generate mouse clicks I'd like to avoid. Does anyone have an idea how disable mouse-clicks on touchpad when trackpoint is in use? EDIT: also, can someone explain how the option of disabling touchpad when typing works? What is being done behind the scenes? Is it an xinput configuration command, and if yes, which one?

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  • Some mail details about Orange Mauritius

    Being an internet service provider is not easy after all for a lot of companies. Luckily, there are quite some good international operators in this world. For example Orange Mauritius aka Mauritius Telecom aka Wanadoo(?) aka MyT here in Mauritius. The local circumstances give them a quasi-monopol position on fixed lines for telephony and therefore cable-based DSL internet connectivity. So far, not bad but as usual... the details. Just for the records, I am only using the services of Orange for mobile but friends and customers are bound, eh stuck, with other services of Orange Mauritius. And usually, being the IT guy, they get in touch with me to complain about problems or to ask questions on either their ADSL / MyT connection, mail services or whatever. Most of those issues are user-related and easily to solve by tweaking the configuration of their computer a little bit but sometimes it's getting weird. Using Orange ADSL... somewhere else Now, let's imagine we are an Orange ADSL customer for ages and we are using their mail services with our very own mail address like "[email protected]". We configured our mail client like Thunderbird, Outlook Express, Outlook or Windows Mail as publicly described, and we are able to receive and send emails like a champion. No problems at all, the world is green. Did I mention that we have a laptop? Ok, let's take our movable piece of information technology and visit a friend here on the island. Not surprising, he is also customer of Orange, so we can read and answer emails. But Orange is not the online internet service provider and one day, we happen to hang out with someone that uses Emtel via WiMAX or UMTS.. And the fun starts... We can still receive and read emails from our Orange mail account and the IT world is still bright but try to send mails to someone outside the domain "@intnet.mu" or "@orange.mu". Your mail client will deny sending mail with SMTP message 5.1.0 "blah not allowed". First guess, there is problem with the mail client, maybe magically the configuration changed over-night. But no it is still working at home... So, there is for sure a problem with the guy's internet connection. At least, it is his fault not to have Orange internet services, so it can not work properly... The Orange Mail FAQ After some more frustation we finally checkout the Orange Mail FAQ to see whether this (obviously?) common problem has been described already. Sorry, but those FAQ entries are even more confusing as it is not really clear how to handle this scenario. Best of all is that most of the entries are still refering to use servers of the domain "intnet.mu". I mean Orange will disable those systems in favour of the domain "orange.mu" in the near future and does not amend their FAQs. Come on, guys! Ok, settings for POP3 are there. Hm, what about the secure version POP3S? No signs at all... Even changing your mail client to use password encryption with STARTTLS is not allowed at all. Use "bow.intnet.mu" for incoming mail... Ahhh, pretty obvious host name. I mean, at least something like pop.intnet.mu or pop3.intnet.mu would have been more accurate. Funny of all, the hostname "pop.orange.mu" is accessible to receive your mail account. Alright, checking SMTP options for authentication or other like POP-before-SMTP or whatever well-known and established mechanism to send emails are described. I guess that spotting a whale or shark in Mauritian waters would be easier. Trial and error on SMTP settings reveal that neither STARTTLS or any other connection / password encryption is available. Using SSL/TLS on SMTP only reveals that there is no service answering your request. Calling customer service So, we have to bite into the bitter apple and get in touch with Orange customer service and complain/explain them our case and ask for advice. After some hiccups, we finally manage to get hold of someone competent in mail services and we receive the golden spoon of mail configuration made by Orange Mauritius: SMTP hostname: smtpauth.intnet.mu And the world of IT is surprisingly green again. Customer satisfaction? Dear Orange Mauritius, what's the problem with this information? Are you scared of mail spammer? Why isn't there any case in your FAQs? Ok, talking about your FAQs - simply said: they are badly outdated! Configure your mail client to use server name based in the domain intnet.mu but specify your account username with orange.mu as domain part. Although, that there are servers available on the domain orange.mu after all. So, why don't you provide current information like this: POP3 server name: pop.orange.muSMTP server name: smtp.orange.muSMTP authenticated: smtpauth.orange.mu It's not difficult, is it? In my humble opinion not really and you would provide clean, consistent and up-to-date information for your customers. This would produce less frustation and so less traffic on your customer service lines. Which after all, would improve the total user experience and satisfaction level on both sides. Without knowing these facts. Now, imagine you would take your laptop abroad and have to use other internet service providers to be able to be online... Calling your customer service would be unnecessary expensive!

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  • LEGO Ornaments Bring Geeky DIY Charm to Your Holiday Decorating

    - by Jason Fitzpatrick
    Why settle for just a Death Star ornament when you can have a Death Star ornament you built yourself from LEGO? These DIY ornaments are a perfect geeky touch for your tree or gift for a LEGO loving friend. Courtesy of Chris McVeigh, we find nine DIY ornament guides that range from traditional (like teardrop ornaments and bulbs) to geeky (like Death Stars and Millennium Falcons). Hit up the link below to check out all the files and order the brick collections right through LEGO’s Pick a Brick service. LEGO Ornaments [via Geeks Are Sexy] HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full

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  • SQLMidlands & SQLLunch

    - by Dave Ballantyne
    Many thanks to all those that turned out to see my presentation on Thursday (16th of Feb) of “Cursors are Evil” at SQLMidlands.  The scripts i used are here : https://skydrive.live.com/?cid=4004b6a3bc887e2c&id=4004B6A3BC887E2C%21216 You will need the AdventureWorks2008r2 release to run these, feel free to mail me ([email protected]) with any questions.  They are based upon a series of articles I wrote for SQLServerCentral which can be found here and here. Also I am starting ,or at least having an attempt at, a new user group in London.  This is SQLLunch, meeting downstairs at The Golden Fleece , EC4N 1SP which is 2 minutes from Bank Tube , we will have a twice monthly meeting (2nd and 4th Tuesdays) for an ‘All Stuff, No Fluff’ event.  Put plainly, a quick hello followed by a 45 minute presentation , which will ,optimistically, have you there and back to your desk within a lunch hour. Registrations for the first series of dates are at sqlserverfaq.com If you would like to speak, then please get in touch. Hope to see you there. 

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  • Electronic circuit simulator four-way flood-filling issues

    - by AJ Weeks
    I've made an electronic circuit board simulator which has simply 3 types of tiles: wires, power sources, and inverters. Wires connect to anything they touch, other than the sides of inverters; inverters have one input side and one output side; and finally power tiles connect in a similar manner as wires. In the case of an infinite loop, caused by the output of the inverter feeding into its input, I want inverters to oscillate (quickly turn on/off). I've attempted to implement a FloodFill algorithm to spread the power throughout the grid, but seem to have gotten something wrong, as only the tiles above the power source get powered (as seen below) I've attempted to debug the program, but have had no luck thus far. My code concerning the updating of power can be seen here.

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  • set installer background / not able to run early_command in custom preseed file (precise)

    - by user73093
    I have a custom preseed file for a Precise Live CD (which is well loaded on boot, I checked syslog for that). My initial problem is that when booting in install mode (default behavior for a Live CD), ubiquity runs X with a default wallpaper which is hardcoded to /usr/share/backgrounds/warty-final-ubuntu.png in Ubiquity code. So my idea was to run early_command (https://help.ubuntu.com/12.04/installation-guide/i386/preseed-advanced.html) to copy my custom wallpaper over /usr/share/backgrounds/warty-final-ubuntu.png. Assuming my custom wallpaper allready resides on the rootfs in /usr/share/backgrounds. But... It seems the early_command never runs (and I'm sure the preseed file is taken into account) Here is what I have added to my preseed file: d-i preseed/early_command string cp /usr/share/backgrounds/mywallpaper-defaults.jpg /usr/share/backgrounds/warty-final-ubuntu.png Even this one is never run: d-i preseed/early_command string /usr/bin/touch /tmp/testearly Thanks for helping !!

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  • Getting Started with NASM

    - by MarkPearl
    Today I got to play with NASM. This is an assembler and disassembler that can be used to write 16-bit, 32-bit & 64-bit programs. Let me say upfront that the last time I looked at assembly code at any depth was when I was studying Computer Science in Pietermaritzburg – ten years ago – and we never ever got to touch any real assembly code so a lot of what I am looking at today is very new to me. The first thing I did was download NASM compiler. This turned out to be a bit more complicated than I thought. Originally I went to http://www.nasm.us/ and downloaded the nasm-2.09.04.zip file which I thought had all I needed. No luck! It seemed to just have the uncompiled code, and from what I could tell I would need to recompile and build it – possibly in c++? Well, I wasn’t going to waste my time with that, so a bit more searching and I found the Win32 (http://www.nasm.us/pub/nasm/releasebuilds/2.09.04/win32/) folder Nasm.exe which I downloaded. Choosing an IDE So, I have NASM compiler but to compile anything you need to pass a string of special characters in the command prompt. That’s fine if I was going to just do one program once every couple of years, but since I am aiming to do quite a bit more exploration of NASM I began searching for an IDE. There were a few options, even apparently Visual Studio with a bit of tweeking could do the job, but from past experience I wanted to avoid the VS route as it can sometimes get confusing. I eventually settled on TextPad which I had used a few years ago for a similar project and it had been simple enough yet powerful enough to do the job. A bit of searching and I found a syntax file for NASM and everything seemed hunky dory. Configuring TextPad to run the NASM Compiler Next was to get TextPad to run the NASM compiler. TextPad has this external tools option that allows one to configure special commands. To simplify the process I first created a bat file in the NASM directory that allowed me to simply compile asm files. The bat file was called as.bat and had just one line of code… nasm -f bin %1.asm -o %1.com -l %1.lst Once I had created as.bat I just needed to go into TextPad and create a tool. I have made a quick video of that just showing you where the various settings are which is viewable below. The 64Bit Problem So I now have an ‘IDE’ linked to my NASM compiler so everything should be fine right? No! Whenever I tried to compile an asm program it compiles fine, but when I try and run it I get an error – “This version of the file is not compatible with the version Windows you’re running. Check your computer’s system information to see whether you need an x86 (32-bit) or x64 (64-bit) version of the program, and then contact the software publisher." Well.. it turns out there are a few complications with having a 64 bit OS! So after searching google and coming to any real solution that I could find other than perhaps attempting to build the code for nasm, I eventually resorted to running a VM with Windows XP on it and putting NASM there… My first hello world program So I attempt my first hello world program as per an example I found… the code was quite simple and is shown below… bits16 org 0x100 jmp main message: db 'Hello World',0ah,0dh,'$' main: mov dx,message mov ah,09 int 21h int 20h Running the build tool from TextPad and everything compiles fine and I now have a console app with helllo world shown. Conclusion It’s very early days with NASM. I have been spoilt with Visual Studio and high order languages so I assume it will be a painful ride getting into the basics of assembly programming but I am hoping that at the end of it, I will at least have a bit more exposure to a language closer to the metal.

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